Louis gottschalk



UNITED STATES PATENT OFFICE.

- LOUIS GOTTSOIIALK, OF CHICAGO, ILLINOIS, ASSIGN OR OF 'lWVO-THIRDS TO HARRY J. GOTTHELF AND FRANK R. BAKER, OF SAME PLACE.

PROCESS OF MAKING SOAP.

SPECIFICATION forming part of Letters Patent No. 573,084, dated December 15, 1896. Application filed March 2, 1896. Serial No. 581,566. (No specimens.)

To (bl/Z whom, it vita/y concern: short time, so that the mixture will become Be it known that I, LOUIS GOTTSGHALK, a fixed, when I add to the tank-water an equal citizen of the United States, residing at Chibulk of caustic-soda solution at Baum 5o cago, Illinois, have invented a certain new and or equivalent substances. The resulting mix- 5 useful Process for Making a Soap Ingredient. ture is again subjected toheat, and preferably or Filler and for Making Soap, of which the to heat at the boiling-point, While beingstirred following is a specification. or agitated. After the material has been The object of my process for making a soap thus subjected to heat for a short time it will 5 5 ingredient or filler and for making soap is to be found-that it contains soap, glue, glycerin,

' 1o utilize what is ordinarily known as tanle and ammonia. It is then ready to be mixed water-that is, water which is left as the with a soap prepared in the ordinary way. residuum in tanks in which tallow, lard, and This forms What I termmy soap ingredient other oleaginous substances are rendered and or filler. It is substantially colorless and which contain to a certain extent an amount odorless and may be immediately mixed with 15 of solid matter that I desire to utilize. The soap made in the ordinary way or kept any tank-water is boiled down to about one-half desired length of time and then so mixed. Q) its bulk, so that it is of the consistency of In making the mixture with the soap as orthick syrup, when it is ready for my process. dinarily prepared the proportions may vary The tank-water at this stage is of a dark color widely. I11 fact I have added from one to 20 and of an ofiensive smell. The first thing more than one hundred per cent. (100%) of therefore that I desire to do is to clarify and the mixture to the soap as ordinarily preto free it from its objectionable odor. In pared. The resulting product is a soap of order to do this, I make use of some oxidizing superior cleansing qualities capable of breaksubstanee-that is, some substance, ingrediing hard water and suit-able both for the toilet 2 5 cut, or composition capable of freeing oxygen and the laundry.

by chemical actionas, for instance, per- \Vhat I regard as new, and desire to secure manganate of potash and sulfuric acid. The by Letters Patent, issubstances are aboutin the proportion of one 1. The process of utilizing tank water,

- ounce of each to one hundred pounds of tankwhich consists in mixing with it an ingredient 0 water, although of course the proportions capable of freeing oxygen in the mixture, then may be varied somewhat as circumstances subjecting the mixture to heat, then adding may render advisable. In mentioning perthereto a caustic-soda solution, then subjectmanganate of potash and sulfuric acid I desire ing the mixture to heat, substantially as de it to be understood that I do not limit myself scribed.

3 5 merely to these substances, as it is obvious 2. The process of utilizing tank water, that a great many different kinds of oxidizwhich consists in mixing with it an ingredient ing ingredients could be employed in their capable of freeing oxygen in the mixture, then place and I only mention them as substances subjecting the mixture to heat, then adding 8 5 which can be used successfully, if preferred. thereto a caustic-soda solution, then subject- 40 After these ingredients or equivalents have ing the mixture to heat, and then mixing it been added to the tank-water the whole is with soap as ordinarily prepared, substansubjected to heat, and preferably to a heat at tially as described. the boiling-point, while being stirred or agitated, so as to effect a thorough intermixturc 45 of the ingredients. Witnesses:

After the materials have been treated as THOMAS A. BANNING, above explained they are allowed to stand a THOMAS B. MOGREGOR.

LOUIS GOTTSOIIALK. 

